Home / 121,201.56-181,804.20-38,095.56

Finding the Fourth Proportional to 121,201.56, 181,804.20 and 38,095.56

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Solution

The fourth proportional to 121,201.56, 181,804.20 and 38,095.56 is: 57,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,201.56 : 181,804.20 = 38,095.56 : x
  2. Step 2: Convert to fraction form
    121,201.56/181,804.20 = 38,095.56/x
  3. Step 3: Cross multiply
    121,201.56x = 181,804.20 × 38,095.56
  4. Step 4: Simplify right side
    121,201.56x = 6,925,932,809.35
  5. Step 5: Solve for x
    x = 6,925,932,809.35/121,201.56
  6. Step 6: Final answer
    x = 57,143.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.